DC Motors A dc motor can be easily identified by Yoke Size of conductor Winding Commutator Yoke Size of conductor Winding Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a dc motor is inversely proportional to applied voltage None of the listed here Directly proportional to flux per pole inversely proportional to flux per pole inversely proportional to applied voltage None of the listed here Directly proportional to flux per pole inversely proportional to flux per pole ANSWER DOWNLOAD EXAMIANS APP
DC Motors If conditions for maximum power for a dc motor are established, the efficiency of the motor will be Less than 50% 100 % 80 to 90 % 60 to 70 % Less than 50% 100 % 80 to 90 % 60 to 70 % ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the terminals of armature of D.C. motor are interchanged, this action will offer following kind of braking Plugging Regenerative Dynamic braking None of these Plugging Regenerative Dynamic braking None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors The mechanical power developed by a shunt motor will be maximum when the ratio of back emf to applied voltage is 2.0 1.0 0.5 4.0 2.0 1.0 0.5 4.0 ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which D.C. motor has got maximum self loading property? Differentially compounded motor Shunt motor Series motor Cumulatively compounded motor Differentially compounded motor Shunt motor Series motor Cumulatively compounded motor ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS